Lubricants for hides and leather
Abstract
Abstract A LUBRICATING AGENT FOR HIDES AND LEATHERS IN THE FORM OF AN EMULSION CONTAINING, IN AQUEOUS MEDIUM, FROM 0.25% TO 2.0% OF A WATER-INSOLUBLE, OIL-SOLUBLE POLAR SUBSTANCES SUCH AS ALKYLATED OR ALKENYLATED SUCCINC ACIDS OR ANHYDRIDES OR MIXTURES OF SUCH SUBSTANCES AND OTHER OILS, FROM 5% TO 25% OF A WATER-SOLUBLE POLAR ORGANIC COMPOUND OR MIXTURES OF SUCH COMPOUNDS, AND ENOUGH WATER TO MAKE A 50% FLOAT. THE AMOUNT OF EACH INGREDIENT IS BASED ON THE WET DRAINED WEIGHT OF WET LEATHER TO BE LUBRICATED. THE WATER-SOLUBLE, POLAR ORGANIC COMPOUND SERVES ONLY TO DISPERSE THE WATER-INSOLUBLE, OIL-SOLUBLE POLAR SUBSTANCES OR SUCH SUBSTANCES AND OTHER OILS THROUGHOUT THE AQUEOUS MEDIUM TO PRODUCE AN EMULSION AND IS NOT ABSORBED INTO THE HIDE OR LEATHER BEING LUBRICATING BUT REMAINS BEHIND IN THE FLOAT.
Inventors
- 👤 W Hopkins
- 👤 F Luvisi
- 👤 E Filachione
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-07-30 | 1977-01-29 | 1977-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-30 | 1981-01-29 | 1981-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-30 | 1985-01-29 | 1985-07-31 | $7700.00 | Window Closed / Lapsed |